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| The TR-55 travel time is the amount of time a flood wave takes to move from the outlet to the downstream most point of the watershed. This is different than other models in WMS which enter the travel time from outlet to outlet. Computed hydrographs at each basin and each outlet point represent the amount of the hydrograph at the outlet point contributed from each basin or each outlet point. Thus, the hydrographs are already lagged when running TR-55 in WMS. The upstream hydrographs are then simply added together to determine the hydrograph at the watershed outlet point. No lagging is done in WMS; tabulated TR-55 hydrographs are pre-lagged.
| | #redirect [[Template:TR55 Travel Times]] |
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| Like time of concentration, travel times between outlets may be [[WMS:Travel Times from Map Data|computed using a series of feature objects]] with equations such as Manning’s defined for each.
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| ==Related Topics==
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| * [[WMS:TR-55|TR55 Overview]]
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| * [[WMS:TR-55 Edit Parameters|Entering TR55 Parameters]]
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| * [[WMS:TR-55 Outlet Data|Outlet Data]]
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| {{WMSMain}}
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| [[Category:TR-55|C]]
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| {{stub}}
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